US3554080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter mandrel
Assignee: Individual
•
Filing: 1969-01-09
•
Granted: 1971-01-12
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Expires: 1989-01-09
Abstract
Abstract There is disclosed a cutter mandrel or arbor for centering and attaching cutting tools to the spindle of machine tools, especially milling machines. The mandrel of the invention comprises a central body member equipped with flange means and a substantially cylindrical portion at the region of said flange means. A substantially conical sleeve member is mounted for lengthwise movement upon the cylindrical portion.
Inventors
- 👤 Fritz Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:38
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/11; B23B31/006; B23B2226/00; B23B2226/33; B23B2231/00; B23B2231/04; B23B2260/00; B23B2260/136; B23B2270/00; B23B2270/12; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T279/17905; Y10T279/17914; Y10T408/00; Y10T408/89; Y10T408/907; Y10T408/94; Y10T409/00; Y10T409/30; Y10T409/30952
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
81 words
A mandrel for centering and attaching cutting tools to the spindle of machine tools, especially milling machines, comprising a central body member equipped with flange means and a substantially cylindrical portion at the region of said flange means, a substantially conical sleeve member mounted for lengthwise movement upon said cylindrical portion and wherein when said mandrel assumes its working position said flange means of said central body member bears against a front end face of the spindle of the machine tool.
Claim 2
Dependent Claim
81 words
A mandrel for centering and attaching cutting tools to the spindle of machine tools, especially milling machines, comprising a central body member equipped with flange means and a substantially cylindrical portion at the region of said flange means, a substantially conical sleeve member mounted for lengthwise movement upon said cylindrical portion and wherein when said mandrel assumes its working position said flange means of said central body member bears against a front end face of the spindle of the machine tool.
Claim 3
Dependent Claim
79 words
A mandrel for centering and attaching cutting tools to the spindle of machine tools, especially milling machines, comprising a central body member equipped with flange means and a substantially cylindrical portion at the region of said flange means, a substantially conical sleeve member mounted for lengthwise movement upon said cylindrical portion, an annular groove provided at said central body member, an elastic ring member inserted in said annular groove, said conical sleeve member bearing against said elastic ring member.
Claim 4
Dependent Claim
79 words
A mandrel for centering and attaching cutting tools to the spindle of machine tools, especially milling machines, comprising a central body member equipped with flange means and a substantially cylindrical portion at the region of said flange means, a substantially conical sleeve member mounted for lengthwise movement upon said cylindrical portion, an annular groove provided at said central body member, an elastic ring member inserted in said annular groove, said conical sleeve member bearing against said elastic ring member.
Claim 5
Dependent Claim
21 words
A mandrel as defined in claim 1, further including stop means for limiting the lengthwise movement of said conical sleeve member.
Claim 6
Dependent Claim
54 words
A mandrel as defined in claim 1, wherein said conical sleeve member is provided with a substantially cylindrical bore for fitting said conical sleeve member onto said cylindrical portion of said central body member, said cylindrical portion of said central body member and said cylindrical bore of said conical sleeve member possessing lapped surfaces.
References Cited (Backward Citations)
US3159081A
Cited
US3198079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |